<style tyle="text/css">
    .modal-lg {
        width: 80%;
    }
    .panel {
        margin-bottom: 0px;
    }
</style>
<div class="panel panel-default">
    <div class="modal-header">
        <h4 class="modal-title">设置数量</h4>
    </div>
    <div class="modal-body panel-body">
        <form name="form" class="form-horizontal form-validation ng-pristine ng-valid ng-valid-required">
            <div class="form-group">
                <div class="col-lg-3 control-label">修改次数:</div>
                <div class="col-lg-4">
                    <input type="number" class="form-control" ng-model="obj.change_num">
                </div>
                <label class="control-label text-muted">
                    <i>正数为增加，负数为减少。例：填【-100】则减少100</i>
                </label>
            </div>
        </form>
    </div>
    <div class="modal-footer">
        <button class="btn btn-success" type="button" ng-click="ok()">确定</button>
        <button class="btn btn-danger" type="button" ng-click="close()">关闭</button>
    </div>

</div>